gpu: nvgpu: gv100: enable syncpt shim for nvlink

Get host1x node reference from c1_rp device tree node, and
enable syncpoints shim in case of nvlink.

JIRA EVLR-2441
JIRA EVLR-2585

Change-Id: Idbf1edf656557f2ed2d3bd27393c2f4d5d1ad75a
Signed-off-by: Thomas Fleury <tfleury@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1663360
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>

1 files changed, 11 insertions, 2 deletions

diff --git a/drivers/gpu/nvgpu/include/nvgpu/nvhost.h b/drivers/gpu/nvgpu/include/nvgpu/nvhost.h
index 13de012a..ba6012ec 100644
--- a/drivers/gpu/nvgpu/include/nvgpu/nvhost.h
+++ b/drivers/gpu/nvgpu/include/nvgpu/nvhost.h
@@ -89,11 +89,20 @@ int nvgpu_nvhost_syncpt_unit_interface_get_aperture(
                 struct nvgpu_nvhost_dev *nvhost_dev,
                 u64 *base, size_t *size);
 u32 nvgpu_nvhost_syncpt_unit_interface_get_byte_offset(u32 syncpt_id);
+int nvgpu_nvhost_syncpt_init(struct gk20a *g);
 #else
 static inline int nvgpu_nvhost_syncpt_unit_interface_get_aperture(
                 struct nvgpu_nvhost_dev *nvhost_dev,
-                u64 *base, size_t *size) { return -EINVAL; }
-static inline u32 nvgpu_nvhost_syncpt_unit_interface_get_byte_offset(u32 syncpt_id) {
+                u64 *base, size_t *size)
+{
+        return -EINVAL;
+}
+static inline u32 nvgpu_nvhost_syncpt_unit_interface_get_byte_offset(u32 syncpt_id)
+{
+        return 0;
+}
+static inline int nvgpu_nvhost_syncpt_init(struct gk20a *g)
+{
         return 0;
 }
 #endif